1992 + Interview Questions in Science Page 28 InterviewSolution

1351.	Why is there no change in temperature when water starts boiling?
Answer» Why is there no change in temperature when water starts boiling?

Discussion

1352.	दिनोदिन बढ़ती पानी की समस्या से निपटने में यह पाठ आपकी कैसे मदद कर सकता है तथा देश के अन्य राज्यों में इसके लिए क्या उपाय हो रहे हैं? जानें और लिखें?
Answer» दिनोदिन बढ़ती पानी की समस्या से निपटने में यह पाठ आपकी कैसे मदद कर सकता है तथा देश के अन्य राज्यों में इसके लिए क्या उपाय हो रहे हैं? जानें और लिखें?

Discussion

1353.	Why do you think it talks about putting fish in the tank? What do you think the fish eats? What will happen when oil is spread on the water?
Answer» Why do you think it talks about putting fish in the tank? What do you think the fish eats? What will happen when oil is spread on the water?

1353.

Why do you think it talks about putting fish in the tank? What do you think the fish eats? What will happen when oil is spread on the water?

Answer»

Why do you think it talks about putting fish in the tank? What do you think the fish eats?

What will happen when oil is spread on the water?

Discussion

1354.	What is the energy source of cosmic luminous object?
Answer» What is the energy source of cosmic luminous object?

Discussion

1355.

The whole class can do this experiment together. Take a piece of bread or roti. Sprinkle a few drops of water on it, and put it in a box. Close the box. See the bread or roti everyday until you find some changes on it. Make this table on a chart paper and put it up in the classroom. Fill up the chart every day after discussing the changes seen. Day Changes in the bread or roti By touch By smell By looking through hand lens By colour 1. 2. 3. 4. 5. 6. Find out the reason for these changes. From where did the fungus come on the bread? Different kinds of food items spoil due to different reasons. Some foods spoil soon, some stay good for long. List some seasons and conditions in which food spoils quickly. Given below are some food items and some simple methods by which these could be kept fresh for 1-2 days. Match the correct pairs: Food items Methods Milk Put in a bowl and keep the bowl in a container with some water. Cooked rice Wrap in a damp cloth. Green coriander (Dhania) Boil it. Onion, garlic Keep it in a dry open place

Answer»

The whole class can do this experiment together. Take a piece of bread or roti. Sprinkle a few drops of water on it, and put it in a box. Close the box. See the bread or roti everyday until you find some changes on it. Make this table on a chart paper and put it up in the classroom. Fill up the chart every day after discussing the changes seen.
Day	Changes in the bread or roti
	By touch	By smell	By looking through hand lens	By colour
1.
2.
3.
4.
5.
6.

Find out the reason for these changes. From where did the fungus come on the bread?

Different kinds of food items spoil due to different reasons. Some foods spoil soon, some stay good for long. List some seasons and conditions in which food spoils quickly.

Given below are some food items and some simple methods by which these could be kept fresh for 1-2 days. Match the correct pairs:

Food items	Methods
Milk	Put in a bowl and keep the bowl in a container with some water.
Cooked rice	Wrap in a damp cloth.
Green coriander (Dhania)	Boil it.
Onion, garlic	Keep it in a dry open place

Discussion

1356.	Explain the mechanism of photosynthesis.
Answer» Explain the mechanism of photosynthesis.

Discussion

1357.	Having an ice cream on a hot summer day is exciting and enjoyable.Write about some of the exciting and enjoyable things that one can do in the winter season.
Answer» Having an ice cream on a hot summer day is exciting and enjoyable. Write about some of the exciting and enjoyable things that one can do in the winter season.

Discussion

1358.	What is first aid
Answer» What is first aid

Discussion

1359.	Molecules in this state of matter can move freely in the space available to them. Identify the state.
Answer» Molecules in this state of matter can move freely in the space available to them. Identify the state.

Discussion

1360.	Define matter.
Answer» Define matter.

Discussion

1361.	What is the difference between immiscible, insoluble, miscible and soluble
Answer» What is the difference between immiscible, insoluble, miscible and soluble

Discussion

1362.	Which of the following statements about the Milky Way Galaxy is not true?
Answer» Which of the following statements about the Milky Way Galaxy is not true?

Discussion

1363.	All life begins with a single ____.
Answer» All life begins with a single ____.

Discussion

1364.	When the observations are taken at an interval of 6 months, the angle of parallax of a star is 0.4". Find the distance of star in parsec?
Answer» When the observations are taken at an interval of 6 months, the angle of parallax of a star is 0.4". Find the distance of star in parsec?

Discussion

1365.	____ is required to push or pull something.
Answer» ____ is required to push or pull something.

Discussion

1366.	The Moon is a _____ of Earth.
Answer» The Moon is a _____ of Earth.

Discussion

1367.	'सुख-स्वप्नों के स्वर गूँजेंगे।' इसमें 'स' अक्षर बार-बार आया है। तुम भी नीचे लिखे वर्णों से वाक्य बनाओ। ध्यान रखो कि उस वर्ण से शुरू होने वाले तीन शब्द तुम्हारे वाक्य में हों। (क) क............................... (ख) त................................ (ग) द.................................
Answer» 'सुख-स्वप्नों के स्वर गूँजेंगे।' इसमें 'स' अक्षर बार-बार आया है। तुम भी नीचे लिखे वर्णों से वाक्य बनाओ। ध्यान रखो कि उस वर्ण से शुरू होने वाले तीन शब्द तुम्हारे वाक्य में हों। (क) क............................... (ख) त................................ (ग) द.................................

1367.

'सुख-स्वप्नों के स्वर गूँजेंगे।' इसमें 'स' अक्षर बार-बार आया है। तुम भी नीचे लिखे वर्णों से वाक्य बनाओ। ध्यान रखो कि उस वर्ण से शुरू होने वाले तीन शब्द तुम्हारे वाक्य में हों। (क) क............................... (ख) त................................ (ग) द.................................

Answer»

'सुख-स्वप्नों के स्वर गूँजेंगे।' इसमें 'स' अक्षर बार-बार आया है। तुम भी नीचे लिखे वर्णों से वाक्य बनाओ। ध्यान रखो कि उस वर्ण से शुरू होने वाले तीन शब्द तुम्हारे वाक्य में हों।

(क) क...............................

(ख) त................................

(ग) द.................................

Discussion

1368.	Building's are solids and solids cannot compress or collapse but a building start falling off or start to collapse in a few years so are buildings actually solids or is it even a matter?
Answer» Building's are solids and solids cannot compress or collapse but a building start falling off or start to collapse in a few years so are buildings actually solids or is it even a matter?

Discussion

1369.	when speed of a satellite is increased by x percentage it will escape from its orbit where the value of x is
Answer» when speed of a satellite is increased by x percentage it will escape from its orbit where the value of x is

Discussion

1370.

Add one more matching word to each pair. One has been done for you. log frog dog shirk work vain deign preferring hearing heap keep past last way say What kind of words are they?

Answer»

Add one more matching word to each pair. One has been done for you.

log	frog	dog
shirk	work	________________
vain	deign	________________
preferring	hearing	________________
heap	keep	________________
past	last	________________
way	say	________________
What kind of words are they?		________________

Discussion

1371.	While playing, Amit hit a wall. His forehead was swollen. Didi immediately folded a scarf (4-5 times), blew on it and kept it on Amit's forehead. Why do you think didi did this? We blow to cool hot things as well as to warm them. Give examples of each.
Answer» While playing, Amit hit a wall. His forehead was swollen. Didi immediately folded a scarf (4-5 times), blew on it and kept it on Amit's forehead. Why do you think didi did this? We blow to cool hot things as well as to warm them. Give examples of each.

Discussion

1372.	_____ energy is the energy the body has because of it's position.
Answer» _____ energy is the energy the body has because of it's position.

Discussion

1373.	Statement 1: Moon is a natural satellite of Earth. Statement 2: Man-made satellites launched from Earth to orbit around it, are known as artificial satellites. But, moon is a naturally occuring celestial body, which revolves around Earth.
Answer» Statement 1: Moon is a natural satellite of Earth. Statement 2: Man-made satellites launched from Earth to orbit around it, are known as artificial satellites. But, moon is a naturally occuring celestial body, which revolves around Earth.

1373.

Statement 1: Moon is a natural satellite of Earth. Statement 2: Man-made satellites launched from Earth to orbit around it, are known as artificial satellites. But, moon is a naturally occuring celestial body, which revolves around Earth.

Answer»

Statement 1: Moon is a natural satellite of Earth.

Statement 2: Man-made satellites launched from Earth to orbit around it, are known as artificial satellites. But, moon is a naturally occuring celestial body, which revolves around Earth.

Discussion

1374.	Why is sulphur needed by oil seed crops?Which compound in oil seed crops contains sulphur ?
Answer» Why is sulphur needed by oil seed crops? Which compound in oil seed crops contains sulphur ?

Discussion

1375.

Malu lived with Malu's parents in the North Pole.Malu had great fun with Malu's seagull friends.One day, Malu's father told Malu that the hunters had come to trap Malu and Malu's family. Malu knew how to hide very well. Malu shut Malu's eyes and curled up like a ball of snow.The hunters searched for Malu and Malu''s family everywhere but in vain.We can avoid repeating the names by using certain other words in their place. Study the table below. Singular Plural person speaking person spoken to other persons places, things I, me you he, him she, her it we, us you they, them Now rewrite the above paragraph using words from the above table._____________________________________________________________________________________________________________________________________________________________________

Answer» Malu lived with Malu's parents in the North Pole.

Malu had great fun with Malu's seagull friends.

One day, Malu's father told Malu that the hunters had come to trap Malu and Malu's family. Malu knew how to hide very well. Malu shut Malu's eyes and curled up like a ball of snow.

The hunters searched for Malu and Malu''s family everywhere but in vain.

We can avoid repeating the names by using certain other words in their place. Study the table below.

	Singular	Plural
person speaking person spoken to other persons places, things	I, me you he, him she, her it	we, us you they, them

Now rewrite the above paragraph using words from the above table.

_______________________________________________________

_______________________________________________________

_______________________________________________________

Discussion

1376.	(क) बारिश के मौसम में ऐसा क्या होता है जिससे चूहा अपने बिल में से निकल नहीं पाया होगा? (ख) क्या तुम्हें भी चूहा नटखट लगा? क्यों? (ग) कपड़े वाले ने, दर्ज़ी ने, सितारे वाले ने चूहे की बात पर ध्यान नहीं दिया। तुम्हें इसका क्या कारण लगता है?
Answer» (क) बारिश के मौसम में ऐसा क्या होता है जिससे चूहा अपने बिल में से निकल नहीं पाया होगा? (ख) क्या तुम्हें भी चूहा नटखट लगा? क्यों? (ग) कपड़े वाले ने, दर्ज़ी ने, सितारे वाले ने चूहे की बात पर ध्यान नहीं दिया। तुम्हें इसका क्या कारण लगता है?

1376.

(क) बारिश के मौसम में ऐसा क्या होता है जिससे चूहा अपने बिल में से निकल नहीं पाया होगा? (ख) क्या तुम्हें भी चूहा नटखट लगा? क्यों? (ग) कपड़े वाले ने, दर्ज़ी ने, सितारे वाले ने चूहे की बात पर ध्यान नहीं दिया। तुम्हें इसका क्या कारण लगता है?

Answer»

(क) बारिश के मौसम में ऐसा क्या होता है जिससे चूहा अपने बिल में से निकल नहीं पाया होगा?

(ख) क्या तुम्हें भी चूहा नटखट लगा? क्यों?

(ग) कपड़े वाले ने, दर्ज़ी ने, सितारे वाले ने चूहे की बात पर ध्यान नहीं दिया। तुम्हें इसका क्या कारण लगता है?

Discussion

1377.	Which of these habitats have maximum water content?
Answer» Which of these habitats have maximum water content?

Discussion

1378.	53. If underoot 18-6root5 =root a - root b then prove that a+b=18
Answer» 53. If underoot 18-6root5 =root a - root b then prove that a+b=18

Discussion

1379.	What is biopesticide and its uses ?
Answer» What is biopesticide and its uses ?

Discussion

1380.	Where do sharks live ?
Answer» Where do sharks live ?

1380.

Where do sharks live ?

Answer»

Where do sharks live ?

Discussion

1381.	What are the different ways through which Jal board provides water to houses?
Answer» What are the different ways through which Jal board provides water to houses?

Discussion

1382.	The object given below pollutes the area when thrown in water bodies. Which of the following option is correct?
Answer» The object given below pollutes the area when thrown in water bodies. Which of the following option is correct?

1382.

The object given below pollutes the area when thrown in water bodies. Which of the following option is correct?

Answer»

The object given below pollutes the area when thrown in water bodies. Which of the following option is correct?

Discussion

1383.	Who do you think your shadow looks like?
Answer» Who do you think your shadow looks like?

Discussion

1384.	What is the difference between a nuclear and extended family?
Answer» What is the difference between a nuclear and extended family?

Discussion

1385.	Explain what will happen in each case: When black pepper is added in excess to the potato chaat. When cardamom is added in excess to the kheer.
Answer» Explain what will happen in each case: When black pepper is added in excess to the potato chaat. When cardamom is added in excess to the kheer.

Discussion

1386.

Match the following:1.Biospherei.Part of earth where life exists2.Abioticii.Plants and animals3.Bioticiii.Cyclic flow of nutrients between non-living and living factors of the environment4.Biogeochemical cyclesiv.Temperature, Pressure etc.

Answer»

Match the following:

1.Biosphere	i.Part of earth where life exists
2.Abiotic	ii.Plants and animals
3.Biotic	iii.Cyclic flow of nutrients between non-living and living factors of the environment
4.Biogeochemical cycles	iv.Temperature, Pressure etc.

Discussion

1387.	Why did the old bird advise the other birds to destroy the creeper?
Answer» Why did the old bird advise the other birds to destroy the creeper?

Discussion

1388.	The shape of ClF3 MOLECULE IS
Answer» The shape of ClF3 MOLECULE IS

Discussion

1389.	Question 22Indicate whether the following statements are true or false. Also write the false statements in their correct form.(a) Air is necessary for combustion.(b) Magnesium is a non-combustible metal.(c) Carbon dioxide is an excellent fire extinguisher.(d) Calorific value of wood is higher than that of coal
Answer» Question 22 Indicate whether the following statements are true or false. Also write the false statements in their correct form. (a) Air is necessary for combustion. (b) Magnesium is a non-combustible metal. (c) Carbon dioxide is an excellent fire extinguisher. (d) Calorific value of wood is higher than that of coal

Discussion

1390.	pt cos3A+cos3(120+A)+cos3(240+A)=3/4cos3A
Answer» pt cos3A+cos3(120+A)+cos3(240+A)=3/4cos3A

Discussion

1391.	Which of the following terms best describes the action of 'pulling together'?
Answer» Which of the following terms best describes the action of 'pulling together'?

Discussion

1392.	Why Nitrogen gas (N2) is considered as a compound? We know that compound are formed by (two or more elements) which is present in a fixed ratio by weight.
Answer» Why Nitrogen gas (N2) is considered as a compound? We know that compound are formed by (two or more elements) which is present in a fixed ratio by weight.

Discussion

1393.	We move faster on water slides as there is less ____.
Answer» We move faster on water slides as there is less ____.

Discussion

1394.	Consider the following statements: 1. Solar eclipse occurs during a new moon. 2. Lunar eclipse occurs during a full moon. 3. During a total solar eclipse, the entire sun is invisible from all parts of the earth.
Answer» Consider the following statements: 1. Solar eclipse occurs during a new moon. 2. Lunar eclipse occurs during a full moon. 3. During a total solar eclipse, the entire sun is invisible from all parts of the earth.

1394.

Consider the following statements: 1. Solar eclipse occurs during a new moon. 2. Lunar eclipse occurs during a full moon. 3. During a total solar eclipse, the entire sun is invisible from all parts of the earth.

Answer»

Consider the following statements:

1. Solar eclipse occurs during a new moon.

2. Lunar eclipse occurs during a full moon.

3. During a total solar eclipse, the entire sun is invisible from all parts of the earth.

Discussion

1395.	Why are earthworms called farmer's friends?
Answer» Why are earthworms called farmer's friends?

Discussion

1396.	Ant are social insects. Explain.
Answer» Ant are social insects. Explain.

Discussion

1397.	____ are houses built using blocks of snow arranged in the shape of a dome.
Answer» ____ are houses built using blocks of snow arranged in the shape of a dome.

Discussion

1398.	What are Igneous rocks and how are they formed? Give examples.
Answer» What are Igneous rocks and how are they formed? Give examples.

Discussion

1399.	38 How to make root 9.6 and6.5
Answer» 38 How to make root 9.6 and6.5

Discussion

1400.

What kind of a man was Rip Van Winkle?(i) He was a kind neighbour.(ii) (iii) (iv) __

Answer»

What kind of a man was Rip Van Winkle?

(i) He was a kind neighbour.

(ii) ______________________________________________

(iii) ______________________________________________

(iv) ______________________________________________

Discussion

Explore topic-wise InterviewSolutions in .

Why is there no change in temperature when water starts boiling?

Why do you think it talks about putting fish in the tank? What do you think the fish eats? What will happen when oil is spread on the water?

What is the energy source of cosmic luminous object?

Explain the mechanism of photosynthesis.

Having an ice cream on a hot summer day is exciting and enjoyable.Write about some of the exciting and enjoyable things that one can do in the winter season.

What is first aid

Molecules in this state of matter can move freely in the space available to them. Identify the state.

Define matter.

What is the difference between immiscible, insoluble, miscible and soluble

Which of the following statements about the Milky Way Galaxy is not true?

All life begins with a single ____.

When the observations are taken at an interval of 6 months, the angle of parallax of a star is 0.4". Find the distance of star in parsec?

____ is required to push or pull something.

The Moon is a _____ of Earth.

Building's are solids and solids cannot compress or collapse but a building start falling off or start to collapse in a few years so are buildings actually solids or is it even a matter?

when speed of a satellite is increased by x percentage it will escape from its orbit where the value of x is

Add one more matching word to each pair. One has been done for you. log frog dog shirk work ________________ vain deign ________________ preferring hearing ________________ heap keep ________________ past last ________________ way say ________________ What kind of words are they? ________________

While playing, Amit hit a wall. His forehead was swollen. Didi immediately folded a scarf (4-5 times), blew on it and kept it on Amit's forehead. Why do you think didi did this? We blow to cool hot things as well as to warm them. Give examples of each.

_____ energy is the energy the body has because of it's position.

Statement 1: Moon is a natural satellite of Earth. Statement 2: Man-made satellites launched from Earth to orbit around it, are known as artificial satellites. But, moon is a naturally occuring celestial body, which revolves around Earth.

Why is sulphur needed by oil seed crops?Which compound in oil seed crops contains sulphur ?

Which of these habitats have maximum water content?

53. If underoot 18-6root5 =root a - root b then prove that a+b=18

What is biopesticide and its uses ?

Where do sharks live ?

What are the different ways through which Jal board provides water to houses?

The object given below pollutes the area when thrown in water bodies. Which of the following option is correct?

Who do you think your shadow looks like?

What is the difference between a nuclear and extended family?

Explain what will happen in each case: When black pepper is added in excess to the potato chaat. When cardamom is added in excess to the kheer.

Match the following:1.Biospherei.Part of earth where life exists2.Abioticii.Plants and animals3.Bioticiii.Cyclic flow of nutrients between non-living and living factors of the environment4.Biogeochemical cyclesiv.Temperature, Pressure etc.

Why did the old bird advise the other birds to destroy the creeper?

The shape of ClF3 MOLECULE IS

pt cos3A+cos3(120+A)+cos3(240+A)=3/4cos3A

Which of the following terms best describes the action of 'pulling together'?

Why Nitrogen gas (N2) is considered as a compound? We know that compound are formed by (two or more elements) which is present in a fixed ratio by weight.

We move faster on water slides as there is less ____.

Consider the following statements: 1. Solar eclipse occurs during a new moon. 2. Lunar eclipse occurs during a full moon. 3. During a total solar eclipse, the entire sun is invisible from all parts of the earth.

Why are earthworms called farmer's friends?

Ant are social insects. Explain.

____ are houses built using blocks of snow arranged in the shape of a dome.

What are Igneous rocks and how are they formed? Give examples.

38 How to make root 9.6 and6.5

What kind of a man was Rip Van Winkle?(i) He was a kind neighbour.(ii) ______________________________________________(iii) ______________________________________________(iv) ______________________________________________

Add one more matching word to each pair. One has been done for you. log frog dog shirk work vain deign preferring hearing heap keep past last way say What kind of words are they?

What kind of a man was Rip Van Winkle?(i) He was a kind neighbour.(ii) (iii) (iv) __